Massey-Harris 21 Colt: all source data
All 43 values recorded for this model, as the source lists them and in its units. The spec sheet shows the same data checked, typed and converted.
Overview
Production| Manufacturer | Massey-Harris |
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| (no label) | Row-Crop tractor |
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| (no label) | Built in Racine, Wisconsin, USA |
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| (no label) | The Massey-Harris 21 Colt was essentially the model 20, updated with new sheet metal. |
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Engine| (no label) | Continental 2.0L 4-cyl gasoline |
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Transmission| (no label) | 4-speed gear |
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Power| Drawbar (claimed) | 21.6 hp | 16.1 kW |
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| Belt (claimed) | 28.34 hp | 21.1 kW |
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| Plows | 2 (14-inch) |
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Mechanical| (no label) | Two-wheel drive |
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| Final drives | bevel gear |
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| Steering | manual |
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| (no label) | Open operator station. |
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Hitch| Rear Type | I (optional) |
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Pto| Rear PTO | transmission |
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| Rear PTO Type | 540 |
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Dimensions| Wheelbase | 82.7 inches | 210 cm |
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| Front tire | 4x15 |
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| Rear tire | 10x28 |
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Belt pulley| Diameter | 9.5 inches | 24 cm |
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| Width | 6.25 inches | 15 cm |
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| RPM | 1224 |
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| Speed | 3044 ft/min | 927.81 meters/min |
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Engine
Engine detail| (no label) | Continental F124 |
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| (no label) | gasoline |
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| (no label) | 4-cylinder |
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| (no label) | liquid-cooled |
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| Displacement | 124 ci | 2.0 L |
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| Bore/Stroke | 3.00x4.375 inches | 76 x 111 mm |
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| Rated RPM | 1800 |
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Transmission
Transmission| Type | gear |
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| Gears | 4 forward and 1 reverse |
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| Clutch | dry disc |
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Dimensions
Tires| Ag front | 4x15 |
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| Ag front | 6x12 (single) |
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| Ag rear | 10x28 |
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Dimensions| Wheelbase | 82.7 inches | 210 cm |
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| Length | 123.3 inches | 313 cm |
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| Height | 65.8 inches | 167 cm |
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| Ground clearance | 19.3 inches | 49 cm |
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| Front tread | 6.7/12.3 inches (tricycle) | 17/31 cm |
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| Front tread | 52 to 74 inches (adjustable) | 132 to 187 cm |
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| Rear tread | 52 to 80 inches | 132 to 203 cm |
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